You can search many resources, especially library databases, more successfully by typing in keywords rather than phrases or sentences.Why? Because computers do not think! But computers are good at matching your words with words in the records in the database.
High blood pressure AND coffee AND food
gives different results than
Hypertension AND caffeine AND diet
Content: Includes citations to millions of biomedical journal articles, as well as some books, book chapters, and reports.
Purpose: An essential database for biomedical and health topics
Special Features: Includes MeSH search functionality
Content: EBSCO’s nursing database covering biomedicine, alternative/complementary medicine, consumer health, and allied health disciplines.
Purpose: Database for research in nursing, medicine, and consumer health.
Special Features: Strong qualitative studies. Filter studies by nurse as author, evidence-based practice, and type of study. Includes MESH indexing, PICO search functionality, text-to-speech feature for some articles, and a tool for discovering citing articles.